2771396948 has 12 divisors (see below), whose sum is σ = 5017184340. Its totient is φ = 1337915712.

The previous prime is 2771396923. The next prime is 2771396959. The reversal of 2771396948 is 8496931772.

It can be written as a sum of positive squares in 2 ways, for example, as 689482564 + 2081914384 = 26258^2 + 45628^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2771396893 and 2771396902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11945561 + ... + 11945792.

It is an arithmetic number, because the mean of its divisors is an integer number (418098695).

Almost surely, 2^2771396948 is an apocalyptic number.

It is an amenable number.

2771396948 is a deficient number, since it is larger than the sum of its proper divisors (2245787392).

2771396948 is a wasteful number, since it uses less digits than its factorization.

2771396948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23891386 (or 23891384 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 56.

The square root of 2771396948 is about 52644.0590000429. The cubic root of 2771396948 is about 1404.6439235612.

The spelling of 2771396948 in words is "two billion, seven hundred seventy-one million, three hundred ninety-six thousand, nine hundred forty-eight".